Cinterion
®
EHS6 AT Command Set
2.12 AT^SCFG
EHS6_ATC_V03.001 15/12/3
Confidential / Released
Page 67 of 513
Enable/disable fast switch off
This parameter configures a fast ME switch off, i.e., a shutdown without network deregistration. If enabled, the
ME can be shut down without network deregistration by using either the AT command AT^SMSO or the hardware
line FAST_SHTDWN. For further details please refer to [2].
Please take great care before changing the fast switch off mode. Factory setting is <fso>="0".
Parameter <fso> is global for all interfaces, non-volatile and will not be reset by AT&F.
“0“
(D)
Fast ME switch off is disabled. AT^SMSO performs an orderly ME shutdown
and issues the "^SHUTDOWN" URC. Triggering the FAST_SHTDWN line has no
effect.
“1“ Fast ME switch off enabled. AT^SMSO performs the fast switch off and does not
issue any reply, e.g., OK, ERROR or any "^SHUTDOWN" URC. Triggering the
FAST_SHTDWN line will start the fast shutdown procedure.
Undervoltage threshold value
The undervoltage thresholds defined for BB domain are calculated for max. 400 mV voltage drops during trans-
mit burst. Power supply sources for EHS6 applications shall be designed to tolerate 400 mV voltage drops with-
out crossing the lower limits of 3.3 V (BB). For EHS6 applications operating at the limit of the allowed tolerance
the default undervoltage threshold may be adapted by selecting a <vthresh> value.
New settings take effect after restart.
“-4“ 3.10 V
“-3“ 3.15 V
“-2“ 3.20 V
“-1“ 3.25 V
“0“
(D)
3.30 V
“1“ 3.35 V
“2“ 3.40 V
“3“ 3.45 V
“4“ 3.50 V
Power Supply Domain
“0“ <vthresh> value applies to BB domain (BATT+
BB
line).
Current BB undervoltage threshold
“-4“ 3.10 V
“-3“ 3.15 V
“-2“ 3.20 V
“-1“ 3.25 V
“0“
(D)
3.30 V
“1“ 3.35 V
“2“ 3.40 V
“3“ 3.45 V
“4“ 3.50 V
<fso>
(str)(+CSCS)(NV)
<vthresh>
(str)(NV)
<PowerSupplyDomain>
(str)
<vthresh_BB_curr>
(str)
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